73952906789 has 2 divisors, whose sum is σ = 73952906790. Its totient is φ = 73952906788.

The previous prime is 73952906773. The next prime is 73952906821. The reversal of 73952906789 is 98760925937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40635705889 + 33317200900 = 201583^2 + 182530^2 .

It is a cyclic number.

It is not a de Polignac number, because 73952906789 - 2⁴ = 73952906773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73952906689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36976453394 + 36976453395.

It is an arithmetic number, because the mean of its divisors is an integer number (36976453395).

Almost surely, 2^73952906789 is an apocalyptic number.

It is an amenable number.

73952906789 is a deficient number, since it is larger than the sum of its proper divisors (1).

73952906789 is an equidigital number, since it uses as much as digits as its factorization.

73952906789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51438240, while the sum is 65.

The spelling of 73952906789 in words is "seventy-three billion, nine hundred fifty-two million, nine hundred six thousand, seven hundred eighty-nine".